Personalized Chemical Engineer Blue Drops Toddler Long Sleeve T-Shirt. Chemical Engineer Blue Drops Toddler Long Sleeve Tee - Pink are a unique way to strut your smarts in style, with the words "Chemical Engineer" atop icy droplets in overlapping shades of blue. This design would make a great gift for a chemical engineer A classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.